I use both sp3000’s and hlg 350r. Both handle that space well, and yields are similar in a 2x4 space. However over all the 350r can handle more as it’s coverage can exceed the 2x4 a bit.
I’m kinda moving towards bar lights… so if I had to buy for a 2x4 again I’d look at the spider farmer g4500 or something similar.
2x4 Tent
| Light Fixture | Usable PPF (µmol) | Photon Efficiency (µmol/w) | Cost | Cost Efficiency ($/µmol) | Power Draw (watts) | Benchmark Harvest (grams) | Coverage (Sq. Feet) | Diodes | Warranty |
|---|---|---|---|---|---|---|---|---|---|
| HLG 350R | 875 | 2.65 | $549 | $0.63 | 330 | 656 | 13.5 | LM301H | 5 Year Warranty |
| SPIDER FARMER G4500 | 1093 | 2.54 | $430 | $0.39 | 430 | 819 | 16.8 | BridgeLux | 5 Year Warranty |
| SPIDER FARMER SE4500 | 1042 | 2.42 | $490 | $0.47 | 430 | 782 | 16.0 | LM301b | 5 Year Warranty |
| HLG 320W LED V2 RSPEC® XL KIT | 810 | 2.38 | $412 | $0.51 | 340 | 607 | 12.5 | LM301H | 1 Year Warranty |
| Mars Hydro SP3000 | 630.3 | 2.12 | $360 | $0.57 | 297 | 473 | 9.7 | LM301b | (1)-(5) years. Limited warranty |
| HLG 260W LED V2 RSPEC® BOARD XL LED KIT | 515 | 2.06 | $314 | $0.61 | 250 | 386 | 7.9 | LM301H | 1 Year Warranty |
| HLG 320 RSPEC FR | 646 | 2.02 | $449 | $0.70 | 320 | 484 | 9.9 | LM301b | 3 Year Warranty |